With so much on the line, why would you cheat yourself when it comes to safety? At Mesa Safe, we know you need the best protection available, that's why there is no shortage of features on our Burglary and Fire safe line. The MBF series not only protects your valuables and documents, but your handguns and firearms as well. From intruders to fires, this safe will be on guard 24/7 so that when the unthinkable happens, you're that much more prepared and have that much more peace of mind. Door has an overall thickness of 4-1/2-inch lined with fire resistant material.